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We already reported at the official announcement of barcelona processors  , that the series models were based on BA stepping  :  
  
But in this document on AMD site  are mentioned two barcelona core revisions  : DR- BA and DR-B2.  
 
If we compare the CPUID value of B2 revision  with the indications of the processor screen shot , which works at 2.5 GHz frequency  , then we will obtain the complete agreement:  
 
Let us recall that this processor will appear during December . However, there is a probability that B2 stepping processors will begin to be supplied earlier. We hope that this stepping will have a good frequency potential. Let us recall that the existing phenom models are based on B0 stepping .  
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